EP1C12F256C8N - Cyclone FPGA, 12,060 LEs, 256-BGA | Intel/Altera
MPN: EP1C12F256C8N ✗ Cuối đờiEP1C12F256C8N Tóm tắt
A Cyclone FPGA is a SRAM-based, look-up-table (LUT) based programmable logic device that lets designers implement arbitrary digital logic, state machines, glue logic, and soft-processor cores (such as the Nios II) without custom silicon. Within the broader hierarchy, an FPGA belongs to programmable logic devices (PLDs), then to logic ICs, then to integrated circuits; the Cyclone family is Intel/Altera's low-cost, high-volume FPGA line, sitting below the Stratix high-performance family and above the MAX CPLD line. Cyclone devices are designed for cost-sensitive, high-volume applications such as digital signal processing front-ends, industrial control, and display interfaces.
Key features of the EP1C12F256C8N include up to 12,060 LEs for combinational and sequential logic, 239,616 bits of true dual-port or simple dual-port RAM (52 M4K blocks of 4,608 bits each), a single 1.5-V core supply with on-chip voltage regulation, and 2 PLLs providing clock multiplication, phase shifting, and skew management. The device supports LVDS I/O on selected banks and offers typical internal clock speeds up to 275 MHz in this speed grade, with rich DSP support through dedicated multiplier blocks when paired with logic.
The architecture centers on LABs (Logic Array Blocks) of 10 LEs each, interconnected by a multi-level routing fabric. Embedded M4K memory blocks allow efficient buffering, FIFO, and shift-register implementation without consuming logic resources. Configuration is loaded from a serial or parallel EPCS / EPC flash memory, and the device is reprogrammable in-system via JTAG or Active Serial / Active Parallel interfaces.
Typical applications include industrial motor control and machine vision, consumer display controllers (LCD/DVI/HDMI bridges), telecom line cards, automotive infotainment pre-production, and cost-sensitive DSP front ends. The 256-ball FBGA package supports high pin-count designs while remaining compatible with standard 1.0 mm pitch BGA PCB assembly.
When designing with this part, engineers should plan power sequencing (1.5-V core, separate PLL analog supply, and I/O bank supplies), thermal management (low-power 0.13-µm process keeps TJA modest), and a configuration scheme that survives field updates. Engineers should also verify Quartus II version compatibility, since older Cyclone devices require legacy Quartus releases for synthesis, fitting, and bitstream generation.
This page synthesizes distributor pricing, drop-in same-family variants, and practical design notes that are not collated in the original Altera Cyclone Family Data Sheet alone.
Bộ thay thế dễ dàng lắp đặt cho EP1C12F256C8N — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EP1C12F256C8N (cùng hình factor và footprint) — khác nhau ở Package, Process Technology, Family, Operating Temperature, Speed Grade.
EP1C12F256C7N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1C12F256C6N
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Xem tài liệu →EP1C12F256C6AA
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Xem tài liệu →EP1C12F256C7
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Xem tài liệu →EP1C12F256C6
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Xem tài liệu →EP1C12F256C8
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Xem tài liệu →EP1C12F256C8N Tỷ lệ tối đa & tính chất điện
| Family | Cyclone I |
| Logic Elements (LEs) | 12,060 |
| Total Memory Bits | 239,616 bits |
| Embedded Memory Blocks | 52 M4K (4,608 bits each) |
| Maximum User I/Os | 185 |
| PLLs | 2 |
| Hộp | 256-ball FBGA (FineLine BGA), 17x17 mm, 1.0 mm pitch |
| Core Supply Voltage | 1.5 V |
| Process Technology | 0.13-µm, all-layer copper SRAM |
| Speed Grade | C8 (commercial, -8) |
| Lead-Free / Pb-Free Suffix | Yes (N suffix) |
| Maximum Internal Operating Frequency | up to 275.03 MHz |
| Operating Temperature (commercial) | 0C to +85C |
| Configuration Method | Active Serial, Active Parallel, Passive Serial, JTAG |
| Kiểu lắp đặt | Surface Mount (BGA) |
Hướng dẫn cấu hình chân EP1C12F256C8N 256-ball fbga (fineline bga), 17x17 mm, 1.0 mm pitch
Cấu hình chân cho EP1C12F256C8N (256-ball fbga (fineline bga), 17x17 mm, 1.0 mm pitch gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho EP1C12F256C8N.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
EP1C12F256C8N phù hợp cho 6 Áp dụngs: Industrial Motor Control, LCD Display Controller / Video Bridge, Telecom Line Card Glue Logic, Automotive Infotainment Pre-Production, Software-Defined Radio Front End, Medical Imaging Pre-Processor.
Industrial Motor Control
The EP1C12F256C8N is well suited to industrial motor-control loops: 12,060 LEs provide combinational and sequential logic for PWM generation, Hall-sensor decoding, FOC (field-oriented control) state machines, and protection logic, while the two on-chip PLLs generate precisely phased carrier clocks for multi-axis drives. The 185 user I/Os in the 256-FBGA package expose enough channels to drive six- or eight-axis stepper/servo systems with quadrature encoder feedback, Hall sensors, and opto-isolated enable lines. The 52 M4K blocks (239 Kbits of RAM) are typically used for velocity/position look-up tables, current-controller accumulator buffers, and CAN message buffering. Cyclone-I logic reliably supports ~100 kHz PWM rates needed for sub-millisecond current-loop closure in servo drives, and the industrial-grade sibling EP1C12F256I8N extends operation to -40C to +100C.
Được đề xuất
LCD Display Controller / Video Bridge
The EP1C12F256C8N is widely used as a low-cost LCD / DVI controller bridge in cost-sensitive embedded display applications. Its 12,060 LEs and 52 M4K blocks deliver enough bandwidth to perform color-space conversion (YCrCb ↔ RGB), chroma up-sampling, frame-rate conversion, and pixel-rate doubling for 800x480 to 1920x1080 panels. The two PLLs synthesize the pixel clock from a low-frequency reference, and 185 user I/Os expose LVDS pairs for direct panel connection, plus parallel 24-bit RGB for legacy TFTs. The 239 Kbits of embedded RAM is sufficient for line buffers and gamma-correction look-up tables in mid-size panels. Pairing the FPGA with an EPCS16 or EPCS64 serial flash holds configuration and gamma tables non-volatilely.
Được đề xuất
Telecom Line Card Glue Logic
Telecom line cards (T1/E1, TDM cross-connects, framer/mapper devices) historically used the EP1C12F256C8N as a flexible glue-logic layer between PHY transceivers, framers, and network processors. The 12,060 LEs and 185 user I/Os implement UTOPIA / POS-PHY interfaces, SPI-4.2 bridge logic, HDLC controllers, and per-channel status LEDs without external CPLDs. The two PLLs multiply low-frequency backplane clocks to the required per-channel bit-clock frequencies. The 52 M4K blocks buffer per-channel state and jitter-tolerance measurements. The 256-FBGA package fits the dense backplane geometry of telecom line cards while keeping power consumption modest via the 0.13-µm process.
Được đề xuất
Automotive Infotainment Pre-Production
Pre-production automotive infotainment platforms have used the EP1C12F256C8N as a flexible I/O and protocol-bridging fabric between automotive MCUs, audio CODECs, CAN/LIN transceivers, and emerging display panels. The 12,060 LEs support CAN-to-LIN bridging, MOST network interfaces, and audio routing matrices for head units and rear-seat entertainment. The 185 I/Os expose parallel buses to graphic controllers and touch-screen controllers. The two PLLs generate pixel clocks for WVGA panels while the 239 Kbits of embedded RAM buffer audio streams and touch-event FIFOs. Production designs migrate to Cyclone IV/V automotive-grade FPGAs or dedicated SoCs, but Cyclone-I remains common in evaluation and low-volume programs.
Được đề xuất
Software-Defined Radio Front End
Software-defined radio (SDR) front-end platforms have used the EP1C12F256C8N to implement digital down-conversion (DDC), filtering, decimation, and protocol framing between an ADC and a host processor. With 12,060 LEs, the FPGA handles FIR filtering, CIC decimator chains, and packet assembly for narrow-band protocols. The two PLLs synthesize the ADC sampling clock and the host bus clock from a common reference, while 185 I/Os expose LVDS-parallel ADC interfaces and a 32-bit local bus to the host. The 239 Kbits of embedded RAM is sufficient for sample buffers and coefficient storage for low-to-moderate bandwidth SDR front-ends (sub-100 MHz instantaneous bandwidth).
Được đề xuất
Medical Imaging Pre-Processor
Pre-production medical imaging subsystems (ultrasound front-end beamformers, patient-monitor data acquisition) have used the EP1C12F256C8N as a real-time data pre-processor. Its 12,060 LEs and 239 Kbits of embedded RAM implement FIR decimation filters, beamforming delay lines, and ECG/EEG channel aggregation without external DSPs. The two PLLs generate precisely phased clocks for synchronized ADC sampling across multiple channels, while 185 user I/Os expose LVDS interfaces to high-channel-count ADCs and parallel buses to a host MCU or DSP. The 256-FBGA package supports the multi-channel pin-count requirements typical of 16- to 32-channel ultrasound or EEG front-ends. Production medical designs migrate to Cyclone IV/V or dedicated ASICs, but Cyclone-I remains in legacy and low-volume clinical systems.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EP1C12F256C8N — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EP1C12F256C7N | EP1C12F256C6N | EP1C12F256C6AA | EP1C12F256C7 | EP1C12F256C6 | EP1C12F256C8 |
|---|---|---|---|---|---|---|---|
| Package | 256-FBGA (17x17 mm, 1.0 mm pitch) | 256-FBGA (same) | 256-FBGA (same) | 256-FBGA (same) | 256-FBGA (same) | 256-FBGA (same) | 256-FBGA (same) |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Logic Elements | 12,060 | 12,060 | 12,060 | 12,060 | 12,060 | 12,060 | 12,060 |
| Embedded RAM Bits | 239,616 | 239,616 | 239,616 | 239,616 | 239,616 | 239,616 | 239,616 |
| Maximum User I/Os | 185 | 185 | 185 | 185 | 185 | 185 | 185 |
| Speed Grade | C8 (-8) | C7 (-7, faster) | C6 (-6, fastest) | C6 (-6, automotive temp) | C7 (-7, SnPb finish) | C6 (-6, SnPb finish) | C8 (-8, SnPb finish) |
| Lead Finish | Pb-free (matte Sn, RoHS) | Pb-free (RoHS) | Pb-free (RoHS) | Pb-free (RoHS) | SnPb (non-RoHS) | SnPb (non-RoHS) | SnPb (non-RoHS) |
| Operating Temperature | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | -40C to +125C (automotive) | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) |
| Approx. Unit Price (qty 1) | $38.50 | $44.20 | $52.80 | $58.40 | $42.10 | $49.95 | $36.80 |
Bảo phân biệt quan trọng
- Highest same-family Cyclone-I density in 256-FBGA (vsEP1C6F256C8N (smaller Cyclone-I))
- C8 speed grade offers lowest unit cost (vsEP1C12F256C7N (C7 speed grade))
- Pb-free / RoHS compliant finish (vsEP1C12F256C8 (SnPb finish, no N suffix))
- Commercial-temperature operation (vsEP1C12F256C6AA (automotive temperature))
Ghi chú thiết kế
The EP1C12F256C8N requires three separate supply rails: VCCINT (1.5 V core, low-noise LDO or DC-DC), VCCIO (per I/O bank, 1.5 V/1.8 V/2.5 V/3.3 V depending on bank standard), and VCCA_PLL (1.5 V analog PLL supply, decoupled with ferrite bead from VCCINT). Power sequencing should be VCCINT first, then VCCIO, then VCCA_PLL; violating this sequence can cause long-term reliability issues. Decoupling: place 0.1 µF ceramic caps within 5 mm of every supply pin, plus 4.7 µF bulk on each rail.
Estimated: at typical 50% toggle activity, the EP1C12F256C8N dissipates roughly 0.5-1.0 W with all I/Os static. The 256-FBGA package has theta_JA of approximately 18 C/W on a 4-layer JEDEC test board, so the junction-to-ambient rise is ~9-18 C above ambient. For industrial enclosures with limited airflow, place the device away from heat sources and provide 100-200 LFM forced airflow if dissipation exceeds 1.5 W.
Use a 4-layer PCB with a continuous ground plane directly under the BGA to provide a low-impedance return path for high-speed I/Os and PLL supplies. Route differential pairs (LVDS, clock) with 100-Ω differential impedance and matched lengths to within 150 mil. Place configuration flash (EPCS4/EPCS16) within 2 inches of the FPGA DATA/DCLK/nCS pins; long traces degrade Active Serial configuration margin.
Do not leave MSEL pins floating - tie them high or low per the desired configuration mode (AS, AP, PS, JTAG). Always include a JTAG header on the PCB for in-system programming and debug, even if the design only uses Active Serial mode. Confirm Quartus II version compatibility: Cyclone-I bitstreams require Quartus II 13.1 or earlier, and modern Quartus Prime releases only support Cyclone-I in legacy mode.
For LVDS outputs on Cyclone-I, place a 100-Ω differential termination resistor across each LVDS pair at the receiver end, within 1 inch of the receiver pin. Series-resistor pre-emphasis is not available on Cyclone-I outputs, so keep LVDS traces short (<6 inches) and reference them to an unbroken ground plane. For external clock inputs, use a series 33 Ω damping resistor at the FPGA pin if the clock source is more than 2 inches away.
Thông tin tuân thủ
RoHS and REACH compliance confirmed via the 'N' lead-free suffix. AEC-Q100 not applicable (commercial-temperature part; for automotive use choose EP1C12F256C6AA). Conflict-minerals status inherited from Altera (now Intel) corporate policy. Halogen-free status: not explicitly stated in available data, set to 'unknown'.
